19.14 or 19.15 grid on rhel 8.4
Argument "" isn't numeric in numeric ne (!=) at /u01/app/19.0.0/grid/lib/acfslib.pm line 371.
ACFS-9154: Loading 'oracleoks.ko' driver.
Argument "" isn't numeric in numeric ne (!=) at /u01/app/19.0.0/grid/lib/acfslib.pm line 371.
ACFS-9109: oracleoks.ko driver failed to load.
ACFS-9428: Failed to load ADVM/ACFS drivers. A system reboot is recommended.
ACFS-9310: ADVM/ACFS installation failed.